CN104165842B - A kind of online optical detector - Google Patents
A kind of online optical detector Download PDFInfo
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- CN104165842B CN104165842B CN201410346364.5A CN201410346364A CN104165842B CN 104165842 B CN104165842 B CN 104165842B CN 201410346364 A CN201410346364 A CN 201410346364A CN 104165842 B CN104165842 B CN 104165842B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 15
- 230000005855 radiation Effects 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000002708 enhancing effect Effects 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 201000009310 astigmatism Diseases 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000035807 sensation Effects 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The open a kind of online optical detector of the present invention, four big columns it are installed with in frame, these four big columns are distributed on four summits of same rectangle, and between these four big columns, be sequentially provided with five assemblies from the bottom up, and be respectively lower photomoduel, lower light source assembly, hold down assembly, upper light source assembly and upper photomoduel.The present invention coordinates by using upper and lower two combination of light sources and corresponding photomoduel, it is thus possible to obtain the image information on the upper and lower surface of pcb board to be detected simultaneously, thus can significantly improve detection efficiency, and eliminate the trouble of traditional detection instrument turn-over detection；Simultaneously, the present invention is effectively improved the degree of accuracy of acquired image information by setting up two enhancing light sources in the setting held down assembly and each light source assembly, thus improving the accuracy of detection of this detector, three light source heat radiations in each light source assembly are effective, and service life is reliably guaranteed.
Description
Technical field
The invention belongs to field of optical detection, specifically, particularly relate to a kind of online optical detector.
Background technology
Online optical detector is the online measuring technique of a kind of advanced person, and it obtains the image on detected member surface
After information, the image information with pieces O.K. contrasts, thus detects that measured piece is the most qualified.At present, exist
The utilization field of line optics detector is quite varied, such as, be used for detecting pcb board (i.e. printed circuit board (PCB)), by
In pcb board complexity, its designed lines gets more and more, the number of plies also gets more and more, and is thus used in line optics detection
It is ripe more than manual detection mode, efficient that instrument detects pcb board, thus advantageously in ensureing accuracy of detection,
And then control product quality.
During the detection of existing online optical detector, pcb board is placed on a flat board, first detects pcb board
One surface, then by pcb board turn-over, in order to another surface of detection pcb board, thus cannot be simultaneously
Two surfaces of detection pcb board, thus cause its detection efficiency low；Further, since measured piece may be sent out
Give birth to the bending of trace, and the intensity of illumination of light source not and exists the factors such as shadow region, thus can shadow
Pictorial information precision acquired in sound, thus affect accuracy of detection.
Summary of the invention
The technical problem to be solved is to provide a kind of online optical detector, is intended to by this detection
Instrument is efficient, accurately acquire the image information on two surfaces of pcb board.
Technical scheme is as follows: a kind of online optical detector, it is characterised in that: in frame (1)
Being installed with four big columns (2), these four big columns are distributed on four summits of same rectangle, and
Be sequentially provided with five assemblies between these four big columns (2) from the bottom up, and be respectively lower photomoduel (XX),
Lower light source assembly (XG), hold down assembly (YJ), upper light source assembly (SG) and upper photomoduel (SX), its
In:
A, described lower photomoduel (XX) include lower camera installing rack (3) and lower camera (4), wherein under
Camera installing rack (3) banding, on four described big columns (2), this lower camera installing rack fixedly mounts
Having at least one described lower camera (4), the camera lens of this lower camera is the most upward；
B, described lower light source assembly (XG) include that base plate (5) and first strengthens light source (8), wherein base plate
(5) banding is on four described big columns (2), and this plate top surface is provided with a uncovered rectangle upward
Frame, and in rectangle frame, it is installed with a main light source (6)；Described main light source (6) side is provided with one piece of reflection
Plate (7), the light of main light source injection after this reflecting plate (7) reflection, upper uncovered from described rectangle frame
Place's injection, and this reflection light (FS) is vertical with described base plate (5), and just to this on base plate (5)
A lower camera lightlng hole (3a) is vertically had at reflection light；Described first strengthens light source (8) and second
Intense light source (9) is each attached in rectangle frame, and is positioned at the both sides of described reflection light (FS), the two light
The intersection point strengthening light that source sends is positioned on described reflection light (FS)；
C, described in hold down assembly (YJ) include lower hold-down roller mounting seat (10) and pressing plate (17), wherein under
Hold-down roller mounting seat (10) number is two, and in the most side by side, and a lower hold-down roller of forward and backward side
Mounting seat (10) banding respectively is on two big columns (2) of respective side；Two described lower hold-down rollers are installed
Between seat (10), left and right has hold-down roller (11) under even number root side by side, and the forward and backward side of these lower hold-down rollers is respectively
By bearings on the lower hold-down roller mounting seat (10) of respective side；Compress under middle described two
Between roller (11), left and right has side by side every tabula rasa (12) under two pieces, and under this, the forward and backward side every tabula rasa is fixed respectively
It is supported on lower hold-down roller mounting seat (10) end face of respective side, and under two pieces, gap between tabula rasa supplies
The reflection light (FS) of described lower light source assembly (XG) passes through, and is treated by the acquisition of described lower camera (4)
The pcb board lower surface image information of detection；
Parallel directly over every described lower hold-down roller (11) it is provided with a upper hold-down roller (13), this upper and lower pressure
Gap between tight roller is passed through for pcb board to be detected, and on these, the forward and backward side of hold-down roller passes through axle respectively
Holding and be supported on a connection assembly, the connecting component structure of this forward and backward side is identical, and the company of forward and backward side
Connected components is connected with the lifting column (14) of respective side respectively, and can follow lifting column (14) and go up together
Lower movement；Between two middle described upper hold-down rollers (13), left and right has every tabula rasa (15) on two pieces side by side,
On these two pieces gap between tabula rasa and two pieces described under gap between tabula rasa (12) stagger, and this
On two pieces, the forward and backward side every tabula rasa (15) is respectively supported on gripper shoe (16) end face of respective side, and
Compressed by corresponding described pressing plate (17), and the gripper shoe of forward and backward side (16) banding respectively is in respective side
Described lifting column (14) on, and under the lifting column bottom of forward and backward side is inserted described in respective side respectively
In pilot hole in hold-down roller mounting seat (10)；
D, described upper light source assembly (SG) are fixed on four big columns (2), light source assembly (SG) on this
Structure identical with described lower light source assembly (XG), the two assembly is oppositely arranged, and upper light source assembly (SG)
Reflection light downwards out, and by two pieces described on gap between tabula rasa (15)；
E, described upper photomoduel (SX) include camera installing rack (18) and upper camera (23), wherein
Upper camera installing rack (18) banding is on four described big columns (2), on this on camera installing rack the most also
Row is fixed with two upright guide rails (19), and every upright guide rail is sliding combined with a slide block (20), this
Upper camera installing plate (21) the most vertical with one piece while of two slide blocks is fixed；Described upper camera installing plate (21)
Simultaneously by driving combination to be connected with upper camera installing rack (18), and can under this driving combination drives up and down
Mobile；
Being fixed with two pulling blocks (22) side by side before and after described upper camera installing plate (21) is upper, the two pulling block divides
Other banding is on described lifting column (14) top of respective side, and is installed with on upper camera installing plate (21)
At least one described upper camera (23), on this, the camera lens of camera is down, and the center of upper camera (23) camera lens
Line overlaps with the reflection light of described upper light source assembly (SG), and obtains PCB to be detected by camera on this
Plate upper surface image information.
In above technical scheme, present invention employs lower photomoduel (XX), lower light source assembly (XG),
Hold down assembly (YJ), upper light source assembly (SG) and upper photomoduel (SX), wherein descend photomoduel (XX)
Cooperate with lower light source assembly (XG), in order to obtain pcb board lower surface image information to be detected, and
Upper light source assembly (SG) and upper photomoduel (SX) cooperate, in order to obtain on pcb board to be detected
Surface image information, and by under every tabula rasa (12) and on avoid light up and down every the setting of tabula rasa (15)
The mutual projection in source, thus ensure that the upper and lower surface image information obtaining detected pcb board is not mutually exclusive.
In sum, thus can obtain the upper and lower surface image information of pcb board to be detected simultaneously, examine than tradition
Survey instrument once can only to obtain a surface image information efficient, also eliminates and takes a picture after being previously required to turn-over again
Trouble.Meanwhile, we can be according to the thickness of pcb board by hold-down roller (13) upper described in programme-control
Lower movement, compresses pcb board the most well, thus eliminates the micro-deformation of pcb board, consequently facilitating
Obtain accurate image information；When upper hold-down roller (13) moves up and down, on this, hold-down roller (13) passes through
A series of parts such as described lifting column (14) drive upper camera (23) synchronizing moving, thus ensure upper phase
Machine (23) and the focal length of pcb board upper surface, and then better ensure that the PCB upper surface image information of acquisition
Accuracy.
It addition, the present invention is in addition to a main light source (6), also it is additionally arranged the first enhancing light source (8) and
Two intense light sources (9), the two strengthens light source and lays respectively at the both sides of described reflection light (FS), the two
The intersection point strengthening light that light source sends is positioned on described reflection light (FS), so can not only strengthen light source
Intensity of illumination, and can very effectively eliminate light by the first enhancing light source (8) and the second intense light source (9)
The shadow region in source, thus the image information acquired in ensureing is accurate, and then ensure accuracy of detection.
Using above technical scheme, the present invention is by using upper and lower two combination of light sources and corresponding phase unit
Part coordinates such that it is able to obtains the image information on the upper and lower surface of pcb board to be detected simultaneously, thus may be used
Significantly improve detection efficiency, and eliminate the trouble of traditional detection instrument turn-over detection；Meanwhile, the present invention passes through
Hold down assembly and the setting of (YJ) and each light source assembly are set up two strengthen light sources and be effectively improved and obtained
Take the degree of accuracy of image information, thus improve the accuracy of detection of this detector.
As preferably, described rectangle frame is surrounded by two end plates (24) and two pieces of side plates (25), and wherein two
The bottom of block side plate (25) outer plate surface is horizontally fixed with two slivers (26) respectively, and these two slivers are same
On horizontal plane, and two slivers (26) on every piece of side plate (25) are pushed down by a press strip (27), and
It is slidably matched with this press strip, and these press strips are each attached on described base plate (5) end face.
Described main light source (6) includes two LED (6-1) and radiator structure, wherein radiator structure bag
Include a rectangle installing frame and small fan (6-5), wherein rectangle installing frame by two pieces of bar shaped end plates (6-2) and
Two pieces of rectangular side panels (6-3) surround, and are installed with a heat radiation rack (6-4), this heat radiation in this rectangle installing frame
Frame is by about one group heat radiation fin (6-4a) side by side and the linkage section (6-4b) that connects these heat radiation fin upper ends
Constituting, two described LED (6-1) left and right are fixed on the end face of this linkage section side by side；
Just LED (6-1) place is all had small square hole (6-3a) on every piece of described rectangular side panels (6-3),
Described side plate has the via relative with this small square hole position on (25)；Every piece of described bar shaped end plate (6-2)
Inner plate surface be provided with the first bar-shaped trough (6-2a) that a row vertically offers, the bottom land of this first bar-shaped trough has and passes through
The first logical air vent, and to having wind by the first air vent on every described heat radiation fin (6-4a)
Hole (6-4a ')；Described small fan (6-5) is positioned at immediately below heat radiation rack (6-4), and in setting the most side by side
Putting, the bottom surface of this small fan and two pieces of described side plates (25) is fixed, and the air outlet of small fan (6-5) is equal
Upward.
Using above structure, described rectangle frame is connected with base plate (5) with press strip (27) by sliver (26),
Thus rectangle frame entirety can be pulled out, thus lamp source fixing in convenient maintenance, replacing rectangle frame.
In use, the hot blast in heat radiation rack (6-4) is constantly extracted out by described small fan (6-5),
Small square hole (6-3a) from rectangular side panels (6-3) and the ventilation of first on bar shaped end plate (6-2) simultaneously
At hole, constantly the mistake air holes (6-4a ') on the external world's extraction cold air, and the fin that dispels the heat (6-4a) makes cold
Air can enter in the space between each heat radiation fin (6-4a), thus increases heat radiation rack (6-4)
Interior air flowing, considerably improves the radiating efficiency of LED, due to the compact conformation of light sources,
Power consumption is big, and this efficient radiator structure extends the service life of main light source significantly, and makes main light source
Illumination is more stable.
In the present case, the outer plate surface of every piece of described bar shaped end plate (6-2) is side by side up and down four the second bar-shaped troughs
(6-2c), the bottom land of middle two the second bar-shaped troughs has through the second air vent (6-2d)；Every piece institute
Just state in rectangular side panels (6-3) that fin (6-4a) place is side by side up and down two little bar holes (6-3b) to heat radiation,
Have between the little bar hole of the two directly over a small sircle hole (6-3c), and described small square hole (6-3a) and open
There is a big hole (6-3d), and the upper corresponding small square hole (6-3a) of described two pieces of described side plates (25), little
Bar hole (6-3b), small sircle hole (6-3c) and big hole (6-3d) place have via respectively；
Article two, directly over described LED (6-1), it is provided with the astigmatism plate (6-6) of one piece of rectangle, this astigmatism plate
The edge of surrounding is respectively clamped into two pieces of described bar shaped end plates (6-2) and the draw-in groove at rectangular side panels (6-3) top
In.
In said structure, offering of above-mentioned second air vent (6-2d) increases LED (6-1) further
Heat radiation.The offering of second bar-shaped trough (6-2c) increases contacting of bar shaped end plate (6-2) and outside air
Area, is also beneficial to improve the radiating effect of bar shaped end plate (6-2).Opening of little bar hole and large and small circular hole
If increasing air and enter the flow of heat radiation rack (6-4) from rectangular side panels (6-3), further increasing
Radiating effect.Meanwhile, described astigmatism plate (6-6) is possible not only to make light irradiate more uniform, Er Qieneng
Enough described LED is protected.Described astigmatism plate (6-6) is installed by draw-in groove so that it is installing/dismounting
Convenient.
As preferably, described first strengthens light source (8) and second strengthens light source (9) except comprising only one
Outside LED, other structures that the two strengthens light source are all identical with described main light source (6).
In the present embodiment, described upper hold-down roller (13) is preferably the six roots of sensation, the upper hold-down roller (13) of middle four
Being divided into two hold-down roller groups, each hold-down roller group is made up of two adjacent upper hold-down rollers (13)；
Each described connection assembly includes T-piece (28) and L-shaped block (31), wherein T-piece (28)
Long arm end banding is on the described lifting column (14) of respective side, and two terminations of this T-piece galianconism end are divided
It is not installed with the lifting block (29) of a L-shaped；The end face and one of horizontal segment under each described lifting block (29)
The middle part laminating of individual intermediate supports seat (30) bottom surface, this intermediate supports seat is positioned at described T-piece (28)
Galianconism rectifies lower section, and the left and right end of each intermediate supports seat has a bearing mounting hole, and these are two years old
Individual bearing mounting hole is offered side by side；In each described hold-down roller group two upper hold-down roller (13) front side is respectively
Being set with a bearing, the two bearing is attached separately to two on same described intermediate supports seat (30)
In bearing mounting hole；
The number of described L-shaped block (31) is two, and the two L-shaped block is separately fixed at of corresponding end
On described intermediate supports seat (30) end face, the lower horizontal segment of each L-shaped block (31) is placed with a side
Limit supports seat (32), described upper hold-down roller (13) side of every on limit by bearings on a side
Limit supports on seat (32).
Using said structure, described connection assembly is interlocked with driving combination by lifting column (14), thus
When pcb board thickness to be detected is thickening, drive combination will move on the height of upper camera by controlling, in order to
Focusing；Meanwhile, described intermediate supports seat (30) supports with side to follow together with seat (32) to lift and stands
Post (14) is upper to be moved so that the resistance suffered when clamp-oning between upper and lower hold-down roller of thicker pcb board is less,
So that pcb board is advanced more steady, and pcb board is the most flexible, and the image of acquisition is more accurately, clearly
Clear.
It addition, the four of centre upper hold-down rollers one group two-by-two, and the intermediate supports of these four upper hold-down rollers is installed
Seat (30) is supported on the lower horizontal segment of described lifting block (29), and is positioned at described T-piece (28)
Galianconism rectifies lower section, thus make in these four upper hold-down rollers wherein one by just can be by during pcb board jack-up
Four upper hold-down roller jack-up together, thus reduce further pcb board when entering hold-down roller on middle four
Suffered resistance, it is to avoid the position of upper and lower camera is just bent by pcb board, the most advantageously in upper,
Lower camera obtains image clearly.
As optimizing design, described driving is combined as feed screw nut's formula structure, and wherein screw mandrel (33) is by connection
Joint is coaxially connected with the output shaft of motor (34), and this motor is installed in described upper camera installing rack (18)
On, nut (35) on screw mandrel (33) is fixed with adjustable shelf (36) simultaneously, and adjustable shelf (36) with
Described upper camera installing plate (21) is fixed.Use above structure, be not only simple in structure, and reliable transmission,
It is not susceptible to clamping stagnation.
As preferably, described lower camera (4) and upper camera (23) number are three, these lower cameras (4)
With upper camera (23) all in being front and back arranged side by side.In said structure, described lower camera (4) and upper camera
(23) number is moderate, and their set-up mode is reasonable.
Beneficial effect: the present invention is coordinated by upper and lower two combination of light sources of employing and corresponding photomoduel,
It is thus possible to obtain the image information on the upper and lower surface of pcb board to be detected simultaneously, thus can significantly improve
Detection efficiency, and eliminate the trouble of traditional detection instrument turn-over detection；Meanwhile, the present invention is by holding down assembly
(YJ) setting and each light source assembly are set up two and strengthens light sources to be effectively improved acquired image letter
The degree of accuracy of breath, thus improve three light sources in the accuracy of detection of this detector, and each light source assembly and dissipate
Thermal effect is good, and service life is reliably guaranteed.
Accompanying drawing explanation
Fig. 1 is the outline drawing of the present invention；
Fig. 2 be Fig. 1 dismantle outside protective covers BH, enter the schematic diagram after panel assembly JB and board discharging device CB；
Fig. 3 is that the F of Fig. 2 is to enlarged drawing；
Fig. 4 is that the G of Fig. 2 is to enlarged drawing；
Fig. 5 is the outline drawing of lower light source assembly XG in Fig. 4；
Fig. 6 is that the H-H of Fig. 5 is to sectional view；
Fig. 7 is that Fig. 5 dismantles the axonometric drawing after described rectangle frame；
Fig. 8 is the explosive view of main light source 6 in Fig. 7；
Fig. 9 is that Fig. 4 axle after lower photomoduel XX, lower light source assembly XG and upper light source assembly SG of dismantling is surveyed
Figure；
Figure 10 is the axonometric drawing of YJ of holding down assembly in Fig. 9；
Figure 11 is the cross section view of 10；
Figure 12 is the explosive view of upper photomoduel SX in Figure 10.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
If Fig. 1 is to shown in 12, a kind of online optical detector, this light detector is a complicated system,
It is in order to reach to protect purpose, is provided with outside protective covers BH, and is provided with into panel assembly JB and ejecting plate dress simultaneously
Putting CB, the two device sets up the both sides at outside protective covers BH separately, and the effect wherein entering panel assembly JB is easy for
Input pcb board to be detected, and enter panel assembly JB there is positioning function, in order to the PCB above it
Plate positions, so that pcb board and the camera centering in outside protective covers BH, in order to camera subsequent acquisition PCB
The image information on two surfaces of plate.The effect of described board discharging device CB is easy for the PCB after smoothly output detections
Plate, and enter panel assembly JB and board discharging device CB and can not also use.
As the central inventive point of the present invention, in outside protective covers BH, it is installed with a frame 1, this frame 1
For space frame structure, and it is welded by one group of quarter bend.Four big columns 2 it are installed with in described frame 1,
These four big columns 2 are distributed on four summits of same rectangle.Between above-mentioned four big columns 2 from
Under be up sequentially provided with five assemblies, and be respectively lower photomoduel XX, lower light source assembly XG, hold down assembly
YJ, upper light source assembly SG and upper photomoduel SX, wherein:
A, can be seen that to 4 with reference to Fig. 2, described lower photomoduel XX mainly includes lower camera installing rack 3 He
Lower camera 4, wherein play camera installing rack 3 banding on four described big columns 2, this lower camera installing rack 3
On be installed with the described lower camera 4 of at least one outsourcing, the camera lens of this lower camera 4 the most upward, and under
The effect of camera 4 is to gather pcb board lower surface image information to be detected.In the present case, described lower camera 4
Number be three, be arranged side by side before and after camera 4 under this three platform, and under this three platform, camera 4 all maintain static,
And the surface of camera 4 is provided with a lower camera magnifier 37 under every platform, these lower camera magnifieres 37 are respectively
Fixed with above-mentioned lower camera installing rack 3 by some connectors.
B, can draw referring to Fig. 2 to 8, described lower light source assembly XG is mainly by base plate 5, main light source 6, anti-
Penetrate plate the 7, first enhancing light source 8 and the second intense light source 9 is constituted.Wherein, above-mentioned base plate 5 banding is four institutes
Stating on big column 2, the end face of this base plate 5 is provided with a uncovered rectangle frame upward, and this rectangle frame is by two
Block end plate 24 and two blocks of side plates 25 surround.Wherein, the bottom of two pieces of above-mentioned side plate 25 outer plate surface level respectively
Being fixed with two slivers 26, these two slivers 26 are in same level, and two on every block of side plate 25
Sliver 26 is pushed down by a press strip 27, and is slidably matched with this press strip 27, and these press strips 27 are the most fixing
On described base plate 5 end face.It should be noted that the outer plate surface of above-mentioned side plate 25 is relative to rectangle frame
For inward-outward direction.Use above-mentioned design, just make rectangle frame be connected by drawing and pulling type structure with base plate 5,
Rectangle frame entirety can be pulled out when needing, thus easy maintenance and replacement parts.
Being installed with a main light source 6 in above-mentioned rectangle frame, the side of this main light source 6 is provided with one piece of reflecting plate 7,
This reflecting plate 7 is also secured in described rectangle frame, and the light of main light source 6 injection is anti-through this reflecting plate 7
After penetrating, penetrate from the upper open-mouth of described rectangle frame, and this reflection light FS is vertical with described base plate 5.
Meanwhile, just to the lower camera lightlng hole vertically having a up/down perforation at reflection light FS on described base plate 5
3a, owing to the number of above-mentioned lower camera 4 is three, so this lower camera lightlng hole 3a is bar hole, and
Before and after base plate 5, direction is offered.Described first enhancing light source 8 and the second intense light source 9 are each attached to rectangle
In frame, and being positioned at the both sides of described reflection light FS, the intersection point strengthening light that the two light source sends is positioned at institute
State on reflection light FS, and this intersection point is preferably located on PCB upper surface to be detected.
Also can draw from Fig. 2 to 8, described main light source 6 mainly includes two LED 6-1 and heat radiation knot
Structure, wherein radiator structure includes a rectangle installing frame and small fan 6-5, and described rectangle installing frame is by two pieces of bars
Shape end plate 6-2 and two pieces of rectangular side panels 6-3 surround.A heat radiation rack 6-4 it is installed with in described rectangle installing frame,
This heat radiation rack 6-4 is by about one group heat radiation fin 6-4a side by side and connects these heat radiation fin 6-4a upper ends
Linkage section 6-4b constitute, be fixed on this linkage section 6-4b about described LED 6-1 of two outsourcings side by side
End face on.
Just to all having small square hole 6-3a, described side at LED 6-1 in every piece of described rectangular side panels 6-3
The via relative with this small square hole 6-3a position is had on plate 25.The inner panel of every piece of described bar shaped end plate 6-2
Face is provided with the first bar-shaped trough 6-2a that a row vertically offers, and the bottom land of this first bar-shaped trough 6-2a has through
On first air vent, and every described heat radiation fin 6-4a to should the first air vent had air holes 6-4a '.
It should be noted that the inner plate surface of above-mentioned bar shaped end plate 6-2 is to come relative to the inward-outward direction of rectangle installing frame
Say.Described small fan 6-5 is positioned at the underface of heat radiation rack 6-4, and its number is four, and in the most also
Row is arranged, and the bottom surface of this small fan 6-5 and two blocks of described side plates 25 is fixed, and the air outlet of small fan 6-5
The most upward.
Also can from which further follow that from Fig. 2 to 8, the outer plate surface of every piece of described bar shaped end plate 6-2 is side by side up and down to be had
Article four, the second bar-shaped trough 6-2c, the bottom land of middle two the second bar-shaped trough 6-2c has the second through air vent
6-2d.Just two little bar holes are had to side by side up and down at heat radiation fin 6-4a in every piece of described rectangular side panels 6-3
6-3b, has a small sircle hole 6-3c, and described small square hole 6-3a is just between the two little bar hole 6-3b
Top has a big hole 6-3d, and corresponding small square hole 6-3a, little bar on described two blocks of described side plates 25
Via is had respectively at shape hole 6-3b, small sircle hole 6-3c and big hole 6-3d.It addition, two described LED
The surface of light bar 6-1 is provided with astigmatism plate 6-6 of one piece of rectangle, and the edge of this astigmatism plate 6-6 surrounding blocks respectively
Enter in the draw-in groove at two pieces of described bar shaped end plate 6-2 and rectangular side panels 6-3 top.
It addition, described first enhancing light source 8 and the second enhancing light source 9 are in addition to comprising only a LED,
Other structures that the two strengthens light source are all identical with described main light source 6.Further, described first strengthens light source 8
With second strengthen and have certain angle of inclination between light source 9 and main light source 6, its purpose being obliquely installed is
Strengthen the enhancing light intersection point that light source 8 and the second intense light source 9 send be positioned at reflection light to realize aforementioned first
On FS.It addition, first enhancing light source the 8, second enhancing light source 9 and main light source 6 are in being arranged side by side, these are three years old
The forward and backward side of individual light source is fixing with the described side plate 25 of respective side respectively, thus is fixed on described rectangle frame.
C, according to Fig. 2,3,4 and 9,10,11 can be seen that, described in hold down assembly YJ mainly by lower compression
Roller mounting seat 10, lower hold-down roller 11, under every tabula rasa 12, upper hold-down roller 13, lifting column 14, on every light
Plate 15, gripper shoe 16 and pressing plate 17 are constituted.Wherein, described lower hold-down roller mounting seat 10 number is two,
Under the two, hold-down roller mounting seat 10 is in being front and back arranged side by side, and forward and backward side lower hold-down roller mounting seat
10 difference bandings are on two big columns 2 of respective side, and each lower hold-down roller mounting seat 10 is simultaneously by one
Individual cushion block 38 is fixedly supported on the end face of described frame 1.
Between two described lower hold-down roller mounting seats 10, left and right has hold-down roller 11 under even number root side by side, presses under these
Bearings is passed through respectively in the lower hold-down roller mounting seat 10 of respective side in the forward and backward side of tight roller 11.At this
In case, the number of described lower hold-down roller 11 is preferably the six roots of sensation.Middle described two lower hold-down rollers 11 it
Having side by side every tabula rasa 12 under two pieces about between, under this, the forward and backward side every tabula rasa 12 is fixedly supported on correspondence respectively
On lower hold-down roller mounting seat 10 end face of side, and under two pieces gap between tabula rasa 12 for described lower light source
The reflection light FS of assembly XG passes through, and obtains pcb board lower surface to be detected by described lower camera 4
Image information.
According to Fig. 2,3,4 and 9,10,11 it is also seen that every described lower hold-down roller 11 surface put down
Row is provided with a upper hold-down roller 13, and the gap between this lower hold-down roller 11 and upper hold-down roller 13 is for be detected
Pcb board passes through.Further, on these, bearings is passed through respectively a connection in the forward and backward side of hold-down roller 13
On assembly, the connecting component structure of this forward and backward side is identical, and the connection assembly of forward and backward side is respectively with corresponding
The lifting column 14 of side connects, and can follow lifting column 14 and move up and down together.Two middle institutes
State between hold-down roller 13 left and right and have every tabula rasa 15 on two pieces side by side, on these two pieces between tabula rasa 15 between
Gap and two pieces described under gap between tabula rasa 12 stagger, and every the forward and backward side of tabula rasa 15 on these two pieces
It is respectively supported on gripper shoe 16 end face of respective side, and is pressed in gripper shoe 16 by corresponding pressing plate 17.
Meanwhile, the gripper shoe 16 of forward and backward side respectively banding on the described lifting column 14 of respective side and front,
Lifting column 14 bottom of rear side is inserted in the pilot hole in lower hold-down roller mounting seat 10 described in respective side respectively.
In the present case, described upper hold-down roller 13 is the six roots of sensation, and the upper hold-down roller 13 of middle four is divided into two hold-down rollers
Group, each hold-down roller group is made up of two adjacent upper hold-down rollers 13.
Each described connection assembly is mainly by T-piece 28, lifting block 29, intermediate supports seat 30, L-shaped block 31
Support seat 32 with side to constitute.Wherein, the long arm end banding of described T-piece 28 is at the described liter of respective side
On fall column 14, two terminations of this T-piece 14 galianconism end are installed with a lifting block 29 respectively, and this carries
Pulling block 29 is L-shaped structure, and its vertical section is connected with T-piece 28, and the lower horizontal segment of lifting block 29 is positioned at
The galianconism of T-piece 28 rectifies lower section.
The end face of each described 29 times horizontal segments of lifting block and the middle part laminating of intermediate supports seat 30 bottom surface,
This intermediate supports seat 30 is positioned at the underface of described T-piece 28 galianconism end, the left side of each intermediate supports seat 30,
Right part has a bearing mounting hole, offers side by side about the two bearing mounting hole.Each described
Being respectively installed with a bearing (unmarked in figure) on front side of the upper hold-down roller 13 of in hold-down roller group two, these are two years old
Individual bearing is attached separately in two bearing mounting holes on same described intermediate supports seat 30.Described L-shaped block
The number of 31 is two, and the two L-shaped block 31 is separately fixed at a described intermediate supports seat of corresponding end
On 30 end faces, the lower horizontal segment of each L-shaped block 31 is placed with a side and supports on seat 32, limit
Every described upper hold-down roller 13 side is supported on seat 32 on a side by bearings.
D, can be seen that according to Fig. 2,3,4 and 9, described upper light source assembly SG is fixed on four big columns 2
On, on this, the structure of light source assembly SG is identical with described lower light source assembly XG, and the two assembly is oppositely arranged,
And the reflection light of upper light source assembly SG is downwards out, and by two pieces described between tabula rasa 15 between
Gap.
E, according to Fig. 2,3,4 and 9,12 can be seen that, described upper photomoduel SX is mainly pacified by upper camera
Shelve 18, upright guide rail 19, slide block 20, upper camera installing plate 21, pulling block 22, upper camera 23 and driving
Combination is constituted.Wherein, described upper camera installing rack 18 banding on four described big columns 2, camera on this
Two upright guide rails 19 it are fixed with side by side before and after on installing rack 18.With dovetail on every described upright guide rail 19
The mode of groove is sliding combined with a slide block 20, the upper camera installation that the two slide block 20 is the most vertical with a piece
Plate 21 is fixed.Described upper camera installing plate 21 is connected with upper camera installing rack 18 by driving combination simultaneously,
And can move up and down under this driving combination drives.Described driving is combined as feed screw nut's formula structure, Qi Zhongsi
Bar 33 is coaxially connected with the output shaft of motor 34 by shaft coupling, and this motor 34 is installed in described upper camera peace
Shelving on 18, nut 35 on screw mandrel 33 is fixed with adjustable shelf 36 simultaneously, and adjustable shelf 36 with described on
Camera installing plate 21 is fixed.
Being fixed with two pulling blocks 22 before and after on described upper camera installing plate 21 side by side, the two pulling block 22 is respectively
Banding is on described lifting column 14 top of respective side, and is installed with at least one on upper camera installing plate 21
Described upper camera 23, on this, the camera lens of camera 23 is down, and the centrage of upper camera 23 camera lens with described on
The reflection light of light source assembly SG overlaps, and obtains pcb board upper surface to be detected by camera on this 23
Image information.In the present case, the number of described upper camera 23 is preferably three, on this three platform before camera 23
After be arranged side by side.It addition, on every platform camera 23 be arranged right below a upper camera magnifier 39, on these
Camera magnifier 39 is all fixedly mounted with described upper camera installing rack 18 by a series of connector.
The foregoing is only presently preferred embodiments of the present invention, not with the present invention for limiting, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (5)
1. an online optical detector, it is characterised in that: it is installed with four big columns (2) in frame (1),
These four big columns are distributed on four summits of same rectangle, and between these four big columns (2) from
Under be up sequentially provided with five assemblies, and be respectively lower photomoduel (XX), lower light source assembly (XG), pressure
Tight assembly (YJ), upper light source assembly (SG) and upper photomoduel (SX), wherein:
A, described lower photomoduel (XX) include lower camera installing rack (3) and lower camera (4), wherein under
Camera installing rack (3) banding, on four described big columns (2), this lower camera installing rack fixedly mounts
Having at least one described lower camera (4), the camera lens of this lower camera is the most upward；
B, described lower light source assembly (XG) include that base plate (5) and first strengthens light source (8), wherein base plate
(5) banding is on four described big columns (2), and this plate top surface is provided with a uncovered rectangle upward
Frame, and in rectangle frame, it is installed with a main light source (6)；Described main light source (6) side is provided with one piece of reflection
Plate (7), the light of main light source injection after this reflecting plate (7) reflection, upper uncovered from described rectangle frame
Place's injection, and this reflection light (FS) is vertical with described base plate (5), and just to this on base plate (5)
A lower camera lightlng hole (5a) is vertically had at reflection light；Described first strengthens light source (8) and second
Strengthen light source (9) to be each attached in rectangle frame, and be positioned at the both sides of described reflection light (FS), the two
The intersection point strengthening light that light source sends is positioned on described reflection light (FS)；
C, described in hold down assembly (YJ) include lower hold-down roller mounting seat (10) and pressing plate (17), wherein under
Hold-down roller mounting seat (10) number is two, and in the most side by side, and a lower hold-down roller of forward and backward side
Mounting seat (10) banding respectively is on two big columns (2) of respective side；Two described lower hold-down rollers are installed
Between seat (10), left and right has hold-down roller (11) under even number root side by side, and the forward and backward side of these lower hold-down rollers is respectively
By bearings on the lower hold-down roller mounting seat (10) of respective side；Compress under middle described two
Between roller (11), left and right has side by side every tabula rasa (12) under two pieces, and under this, the forward and backward side every tabula rasa is fixed respectively
It is supported on lower hold-down roller mounting seat (10) end face of respective side, and under two pieces, gap between tabula rasa supplies
The reflection light (FS) of described lower light source assembly (XG) passes through, and is treated by the acquisition of described lower camera (4)
The pcb board lower surface image information of detection；
Parallel directly over every described lower hold-down roller (11) it is provided with a upper hold-down roller (13), this upper and lower pressure
Gap between tight roller is passed through for pcb board to be detected, and on these, the forward and backward side of hold-down roller passes through axle respectively
Holding and be supported on a connection assembly, the connecting component structure of this forward and backward side is identical, and the company of forward and backward side
Connected components is connected with the lifting column (14) of respective side respectively, and can follow lifting column (14) and go up together
Lower movement；Between two middle described upper hold-down rollers (13), left and right has every tabula rasa (15) on two pieces side by side,
On these two pieces gap between tabula rasa and two pieces described under gap between tabula rasa (12) stagger, and this
On two pieces, the forward and backward side every tabula rasa (15) is respectively supported on gripper shoe (16) end face of respective side, and
Compressed by corresponding described pressing plate (17), and the gripper shoe of forward and backward side (16) banding respectively is in respective side
Described lifting column (14) on, and under the lifting column bottom of forward and backward side is inserted described in respective side respectively
In pilot hole in hold-down roller mounting seat (10)；
D, described upper light source assembly (SG) are fixed on four big columns (2), light source assembly (SG) on this
Structure identical with described lower light source assembly (XG), the two assembly is oppositely arranged, and upper light source assembly (SG)
Reflection light downwards out, and by two pieces described on gap between tabula rasa (15)；
E, described upper photomoduel (SX) include camera installing rack (18) and upper camera (23), wherein
Upper camera installing rack (18) banding is on four described big columns (2), on this on camera installing rack the most also
Row is fixed with two upright guide rails (19), and every upright guide rail is sliding combined with a slide block (20), this
Upper camera installing plate (21) the most vertical with one piece while of two slide blocks is fixed；Described upper camera installing plate (21)
Simultaneously by driving combination to be connected with upper camera installing rack (18), and can under this driving combination drives up and down
Mobile；
Being fixed with two pulling blocks (22) side by side before and after described upper camera installing plate (21) is upper, the two pulling block divides
Other banding is on described lifting column (14) top of respective side, and is installed with on upper camera installing plate (21)
At least one described upper camera (23), on this, the camera lens of camera is down, and the center of upper camera (23) camera lens
Line overlaps with the reflection light of described upper light source assembly (SG), and obtains PCB to be detected by camera on this
Plate upper surface image information；
Described upper hold-down roller (13) is the six roots of sensation, and the upper hold-down roller (13) of middle four is divided into two hold-down rollers
Group, each hold-down roller group is made up of two adjacent upper hold-down rollers (13)；
Each described connection assembly includes T-piece (28) and L-shaped block (31), wherein T-piece (28)
Long arm end banding is on the described lifting column (14) of respective side, and two terminations of this T-piece galianconism end are divided
It is not installed with the lifting block (29) of a L-shaped；The end face and one of horizontal segment under each described lifting block (29)
The middle part laminating of individual intermediate supports seat (30) bottom surface, this intermediate supports seat is positioned at described T-piece (28)
Galianconism rectifies lower section, and the left and right end of each intermediate supports seat has a bearing mounting hole, and these are two years old
Individual bearing mounting hole is offered side by side；In each described hold-down roller group two upper hold-down roller (13) front side is respectively
Being set with a bearing, the two bearing is attached separately to two on same described intermediate supports seat (30)
In bearing mounting hole；
The number of described L-shaped block (31) is two, and the two L-shaped block is separately fixed at of corresponding end
On described intermediate supports seat (30) end face, the lower horizontal segment of each L-shaped block (31) is placed with a side
Limit supports seat (32), described upper hold-down roller (13) side of every on limit by bearings on a side
Limit supports on seat (32)；
Described driving is combined as feed screw nut's formula structure, and wherein screw mandrel (33) is by shaft coupling and motor (34)
Output shaft coaxially connected, this motor is installed on described upper camera installing rack (18), on screw mandrel (33)
Nut (35) fix with adjustable shelf (36) simultaneously, and adjustable shelf (36) and described upper camera installing plate
(21) fixing.
Online optical detector the most according to claim 1, it is characterised in that: described rectangle frame is by two
Block end plate (24) and two pieces of side plates (25) surround, and wherein the bottom of two pieces of side plate (25) outer plate surface is respectively
Being horizontally fixed with two slivers (26), these two slivers are in same level, and on every piece of side plate (25)
Two slivers (26) pushed down by a press strip (27), and be slidably matched with this press strip, and these press strips
It is each attached on described base plate (5) end face；
Described main light source (6) includes two LED (6-1) and radiator structure, wherein radiator structure bag
Include a rectangle installing frame and small fan (6-5), wherein rectangle installing frame by two pieces of bar shaped end plates (6-2) and
Two pieces of rectangular side panels (6-3) surround, and are installed with a heat radiation rack (6-4), this heat radiation in this rectangle installing frame
Frame is by about one group heat radiation fin (6-4a) side by side and the linkage section (6-4b) that connects these heat radiation fin upper ends
Constituting, two described LED (6-1) left and right are fixed on the end face of this linkage section side by side；
Just LED (6-1) place is all had small square hole (6-3a) on every piece of described rectangular side panels (6-3),
Described side plate has the via relative with this small square hole position on (25)；Every piece of described bar shaped end plate (6-2)
Inner plate surface be provided with the first bar-shaped trough (6-2a) that a row vertically offers, the bottom land of this first bar-shaped trough has and passes through
The first logical air vent, and to having wind by the first air vent on every described heat radiation fin (6-4a)
Hole (6-4a ')；Described small fan (6-5) is positioned at immediately below heat radiation rack (6-4), and in setting the most side by side
Putting, the bottom surface of this small fan and two pieces of described side plates (25) is fixed, and the air outlet of small fan (6-5) is equal
Upward.
Online optical detector the most according to claim 2, it is characterised in that: every piece of described bar shaped end
The outer plate surface of plate (6-2) is side by side up and down four the second bar-shaped troughs (6-2c), middle two the second bar-shaped troughs
Bottom land have through the second air vent (6-2d)；Just to heat radiation on every piece of described rectangular side panels (6-3)
Fin (6-4a) place is side by side up and down two little bar holes (6-3b), has one between the little bar hole of the two
A big hole (6-3d) is had directly over individual small sircle hole (6-3c), and described small square hole (6-3a), and
The upper corresponding small square hole (6-3a) of described two pieces of described side plates (25), little bar hole (6-3b), small sircle hole (6-3c)
Via is had respectively with big hole (6-3d) place；
Article two, directly over described LED (6-1), it is provided with the astigmatism plate (6-6) of one piece of rectangle, this astigmatism plate
The edge of surrounding is respectively clamped into two pieces of described bar shaped end plates (6-2) and the draw-in groove at rectangular side panels (6-3) top
In.
Online optical detector the most according to claim 3, it is characterised in that: described first strengthens light
Source (8) and the second enhancing light source (9) are in addition to comprising only a LED, and the two strengthens light source
Other structures are all identical with described main light source (6).
Online optical detector the most according to claim 1, it is characterised in that: described lower camera (4)
Being three with upper camera (23) number, these lower cameras (4) and upper camera (23) are all in the most side by side
Arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410346364.5A CN104165842B (en) | 2014-07-21 | 2014-07-21 | A kind of online optical detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410346364.5A CN104165842B (en) | 2014-07-21 | 2014-07-21 | A kind of online optical detector |
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| CN104165842A CN104165842A (en) | 2014-11-26 |
| CN104165842B true CN104165842B (en) | 2016-08-10 |
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| CN201410346364.5A Expired - Fee Related CN104165842B (en) | 2014-07-21 | 2014-07-21 | A kind of online optical detector |
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Effective date of registration: 20161228 Address after: 523069 Guangdong province Dongguan City Wanjiang Jintai community street week Wu Ji Street No. 2 office building Patentee after: Guangdong Huayi Photoelectric Technology Co.,Ltd. Address before: 523000 Guangdong city of Dongguan Province east of GUANCHEN District Canal Road No. 183 Hua Chang Ge 4 Building No. 7 Patentee before: Zhang Weimin |
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Granted publication date: 20160810 |